# input进来得内容都是字符串
age = int(input("input age"))
if age >= 18:
    print("98舞")
else:
    print("study")


week = input("请输入周几")
if week == "一":
    print("up math")
elif week == "二":
    print("up chinese")
elif week == "三":
    print("up English")
else:
    print("哈哈")

